teambeef/raze
0
0
Fork 0
mirror of https://github.com/DrBeef/Raze.git synced 2024-11-22 20:21:20 +00:00
Code Issues Projects Releases Packages Wiki Activity

Separate out polymost1Frag and polymost1Vert shaders from polymost.cpp and add rules for building in the GNUmakefile.

Browse source 
Additionally, git ignore the shader's generated headers folder.

git-svn-id: https://svn.eduke32.com/eduke32@7782 1a8010ca-5511-0410-912e-c29ae57300e0

# Conflicts:
#	.gitignore
#	source/build/src/polymost.cpp
This commit is contained in:
pogokeen 2019-07-12 08:44:36 +00:00 committed by Christoph Oelckers
parent fe36034e43
commit f6993940e5
6 changed files with 193 additions and 253 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
.gitignore vendored
View file

@ -54,6 +54,8 @@ project.xcworkspace/
.DS_Store .DS_Store
._* ._*
/source/build/src/generated/
Platform/Windows/Build Platform/Windows/Build
Platform/Windows/Win32 Platform/Windows/Win32
Platform/Windows/x64 Platform/Windows/x64

6
Common.mak
View file

@ -126,6 +126,9 @@ endef
define RMDIR define RMDIR
rm -rf $(filter-out / *,$1) rm -rf $(filter-out / *,$1)
endef endef
define CAT
cat $1
endef
ifeq (0,$(HAVE_SH)) ifeq (0,$(HAVE_SH))
DONT_FAIL := & rem DONT_FAIL := & rem
@ -142,6 +145,9 @@ ifeq (0,$(HAVE_SH))
define RMDIR define RMDIR
rmdir /s /q $(subst /,\,$(filter-out / *,$1)) $(DONT_PRINT_STDERR) $(DONT_FAIL) rmdir /s /q $(subst /,\,$(filter-out / *,$1)) $(DONT_PRINT_STDERR) $(DONT_FAIL)
endef endef
define CAT
type $1
endef
# if, printf, exit, and ; are unavailable without sh # if, printf, exit, and ; are unavailable without sh
PRETTY_OUTPUT := 0 PRETTY_OUTPUT := 0

9
GNUmakefile
View file

@ -218,6 +218,8 @@ engine_objs := \
2d.cpp \ 2d.cpp \
hash.cpp \ hash.cpp \
palette.cpp \ palette.cpp \
polymost1Frag.glsl \
polymost1Vert.glsl \
polymost.cpp \ polymost.cpp \
texcache.cpp \ texcache.cpp \
dxtfilter.cpp \ dxtfilter.cpp \
@ -1010,6 +1012,13 @@ $$($1_obj)/%.$$o: $$($1_obj)/%.c
$$(COMPILE_STATUS) $$(COMPILE_STATUS)
$$(RECIPE_IF) $$(COMPILER_C) $$($1_cflags) -c $$< -o $$@ $$(RECIPE_RESULT_COMPILE) $$(RECIPE_IF) $$(COMPILER_C) $$($1_cflags) -c $$< -o $$@ $$(RECIPE_RESULT_COMPILE)
$$($1_obj)/%.$$o: $$($1_src)/%.glsl | $$($1_src)/generated
echo "Creating header from "$$<
echo "char const *$$(basename $$(<F)) = R\"shader(" > $$(<D)/generated/$$(<F).h
$$(CAT) $$< >> $$(<D)/generated/$$(<F).h
echo ")shader\";" >> $$(<D)/generated/$$(<F).h
echo " " | $$(COMPILER_CXX) $$($1_cflags) -x c++ -c - -o $$@
## Cosmetic stuff ## Cosmetic stuff
$$($1_obj)/%.$$o: $$($1_rsrc)/%.rc | $$($1_obj) $$($1_obj)/%.$$o: $$($1_rsrc)/%.rc | $$($1_obj)

280
source/build/src/polymost.cpp
View file

@ -385,7 +385,7 @@ static void calcmat(vec3f_t a0, const vec2f_t *offset, float f, float mat[16], i
mat[14] = (mat[14] + a0.y*mat[2]) + (a0.z*mat[6] + a0.x*mat[10]); mat[14] = (mat[14] + a0.y*mat[2]) + (a0.z*mat[6] + a0.x*mat[10]);
} }
static GLuint polymost2_compileShader(GLenum shaderType, const char* const source) static GLuint polymost2_compileShader(GLenum shaderType, const char* const source, int length)
{ {
GLuint shaderID = glCreateShader(shaderType); GLuint shaderID = glCreateShader(shaderType);
if (shaderID == 0) if (shaderID == 0)
@ -393,11 +393,10 @@ static GLuint polymost2_compileShader(GLenum shaderType, const char* const sourc
return 0; return 0;
} }
const char* const sources[1] = {source};
glShaderSource(shaderID, glShaderSource(shaderID,
1, 1,
sources, &source,
NULL); &length);
glCompileShader(shaderID); glCompileShader(shaderID);
GLint compileStatus; GLint compileStatus;
@ -848,8 +847,8 @@ void polymost_glinit()
}\n"; }\n";
polymost2BasicShaderProgramID = glCreateProgram(); polymost2BasicShaderProgramID = glCreateProgram();
GLuint polymost2BasicVertexShaderID = polymost2_compileShader(GL_VERTEX_SHADER, POLYMOST2_BASIC_VERTEX_SHADER_CODE); GLuint polymost2BasicVertexShaderID = polymost2_compileShader(GL_VERTEX_SHADER, POLYMOST2_BASIC_VERTEX_SHADER_CODE, 0);
GLuint polymost2BasicFragmentShaderID = polymost2_compileShader(GL_FRAGMENT_SHADER, POLYMOST2_BASIC_FRAGMENT_SHADER_CODE); GLuint polymost2BasicFragmentShaderID = polymost2_compileShader(GL_FRAGMENT_SHADER, POLYMOST2_BASIC_FRAGMENT_SHADER_CODE, 0);
glBindAttribLocation(polymost2BasicShaderProgramID, 0, "i_vertPos"); glBindAttribLocation(polymost2BasicShaderProgramID, 0, "i_vertPos");
glBindAttribLocation(polymost2BasicShaderProgramID, 1, "i_texCoord"); glBindAttribLocation(polymost2BasicShaderProgramID, 1, "i_texCoord");
glAttachShader(polymost2BasicShaderProgramID, polymost2BasicVertexShaderID); glAttachShader(polymost2BasicShaderProgramID, polymost2BasicVertexShaderID);
@ -868,259 +867,34 @@ void polymost_glinit()
fogRangeLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_fogRange"); fogRangeLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_fogRange");
fogColorLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_fogColor"); fogColorLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_fogColor");
const char* const POLYMOST1_BASIC_VERTEX_SHADER_CODE = #include "generated/polymost1Vert.glsl.h"
"#version 110\n\ #include "generated/polymost1Frag.glsl.h"
\n\
varying vec4 v_color;\n\
varying float v_distance;\n\
\n\
//u_texturePosSize is the texture position & size packaged into a single vec4 as {pos.x, pos.y, size.x, size.y}\n\
uniform vec4 u_texturePosSize;\n\
uniform float u_usePalette;\n\
uniform mat4 u_rotMatrix;\n\
\n\
const float c_zero = 0.0;\n\
const float c_one = 1.0;\n\
\n\
void main()\n\
{\n\
vec4 vertex = u_rotMatrix * gl_Vertex;\n\
vec4 eyeCoordPosition = gl_ModelViewMatrix * vertex;\n\
gl_Position = gl_ModelViewProjectionMatrix * vertex;\n\
\n\
eyeCoordPosition.xyz /= eyeCoordPosition.w;\n\
\n\
gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;\n\
gl_TexCoord[0] = mix(gl_TexCoord[0].xyzw, gl_TexCoord[0].yxzw, u_usePalette);\n\
\n\
gl_TexCoord[3] = gl_TextureMatrix[3] * gl_MultiTexCoord3;\n\
gl_TexCoord[4] = gl_TextureMatrix[4] * gl_MultiTexCoord4;\n\
\n\
gl_FogFragCoord = abs(eyeCoordPosition.z);\n\
//gl_FogFragCoord = clamp((gl_Fog.end-abs(eyeCoordPosition.z))*gl_Fog.scale, c_zero, c_one);\n\
\n\
v_color = gl_Color;\n\
v_distance = gl_Vertex.z;\n\
}\n";
const char* const POLYMOST1_BASIC_FRAGMENT_SHADER_CODE =
"#version 110\n\
#extension ARB_shader_texture_lod : enable\n\
\n\
//s_texture points to an indexed color texture\n\
uniform sampler2D s_texture;\n\
//s_palswap is the palette swap texture where u is the color index and v is the shade\n\
uniform sampler2D s_palswap;\n\
//s_palette is the base palette texture where u is the color index\n\
uniform sampler2D s_palette;\n\
\n\
//u_texturePosSize is the texture position & size packaged into a single vec4 as {pos.x, pos.y, size.x, size.y}\n\
uniform vec4 u_texturePosSize;\n\
uniform vec2 u_halfTexelSize;\n\
uniform vec2 u_palswapPos;\n\
uniform vec2 u_palswapSize;\n\
\n\
uniform float u_shade;\n\
uniform float u_numShades;\n\
uniform float u_visFactor;\n\
uniform float u_fogEnabled;\n\
\n\
uniform float u_useColorOnly;\n\
uniform float u_usePalette;\n\
uniform float u_npotEmulation;\n\
uniform float u_npotEmulationFactor;\n\
uniform float u_npotEmulationXOffset;\n\
uniform float u_brightness;\n\
uniform float u_shadeInterpolate;\n\
\n\
varying vec4 v_color;\n\
varying float v_distance;\n\
\n\
const float c_basepalScale = 255.0/256.0;\n\
const float c_basepalOffset = 0.5/256.0;\n\
\n\
const float c_zero = 0.0;\n\
const float c_one = 1.0;\n\
const float c_two = 2.0;\n\
const vec4 c_vec4_one = vec4(c_one);\n\
const float c_wrapThreshold = 0.9;\n\
\n\
void main()\n\
{\n\
float coordY = mix(gl_TexCoord[0].y,gl_TexCoord[0].x,u_usePalette);\n\
float coordX = mix(gl_TexCoord[0].x,gl_TexCoord[0].y,u_usePalette);\n\
float period = floor(coordY/u_npotEmulationFactor);\n\
coordX += u_npotEmulationXOffset*floor(mod(coordY,u_npotEmulationFactor));\n\
coordY = period+mod(coordY,u_npotEmulationFactor);\n\
vec2 newCoord = mix(gl_TexCoord[0].xy,mix(vec2(coordX,coordY),vec2(coordY,coordX),u_usePalette),u_npotEmulation);\n\
#ifdef GL_ARB_shader_texture_lod\n\
vec2 texCoord = fract(newCoord.xy);\n\
texCoord = clamp(u_texturePosSize.zw*texCoord, u_halfTexelSize, u_texturePosSize.zw-u_halfTexelSize);\n\
vec4 color = texture2DGradARB(s_texture, u_texturePosSize.xy+texCoord, dFdx(texCoord), dFdy(texCoord));\n\
#else\n\
vec2 transitionBlend = fwidth(floor(newCoord.xy));\n\
transitionBlend = fwidth(transitionBlend)+transitionBlend;\n\
vec2 texCoord = mix(fract(newCoord.xy), abs(c_one-mod(newCoord.xy+c_one, c_two)), transitionBlend);\n\
texCoord = clamp(u_texturePosSize.zw*texCoord, u_halfTexelSize, u_texturePosSize.zw-u_halfTexelSize);\n\
vec4 color = texture2D(s_texture, u_texturePosSize.xy+texCoord);\n\
#endif\n\
\n\
float shade = clamp((u_shade+max(u_visFactor*v_distance-0.5*u_shadeInterpolate,c_zero)), c_zero, u_numShades-c_one);\n\
float shadeFrac = mod(shade, c_one);\n\
float colorIndex = texture2D(s_palswap, u_palswapPos+u_palswapSize*vec2(color.r, floor(shade)/u_numShades)).r;\n\
colorIndex = c_basepalOffset + c_basepalScale*colorIndex;\n\
vec4 palettedColor = texture2D(s_palette, vec2(colorIndex, c_zero));\n\
colorIndex = texture2D(s_palswap, u_palswapPos+u_palswapSize*vec2(color.r, (floor(shade)+c_one)/u_numShades)).r;\n\
colorIndex = c_basepalOffset + c_basepalScale*colorIndex;\n\
vec4 palettedColorNext = texture2D(s_palette, vec2(colorIndex, c_zero));\n\
palettedColor.rgb = mix(palettedColor.rgb, palettedColorNext.rgb, shadeFrac*u_shadeInterpolate);\n\
float fullbright = mix(u_usePalette*palettedColor.a, c_zero, u_useColorOnly);\n\
palettedColor.a = c_one-floor(color.r);\n\
color = mix(color, palettedColor, u_usePalette);\n\
\n\
color = mix(color, c_vec4_one, u_useColorOnly);\n\
\n\
// DEBUG \n\
//color = texture2D(s_palswap, gl_TexCoord[0].xy);\n\
//color = texture2D(s_palette, gl_TexCoord[0].xy);\n\
//color = texture2D(s_texture, gl_TexCoord[0].yx);\n\
\n\
color.rgb = mix(v_color.rgb*color.rgb, color.rgb, fullbright);\n\
\n\
float fogEnabled = mix(u_fogEnabled, c_zero, u_usePalette);\n\
fullbright = max(c_one-fogEnabled, fullbright);\n\
float fogFactor = clamp((gl_Fog.end-gl_FogFragCoord)*gl_Fog.scale, fullbright, c_one);\n\
//float fogFactor = clamp(gl_FogFragCoord, fullbright, c_one);\n\
color.rgb = mix(gl_Fog.color.rgb, color.rgb, fogFactor);\n\
\n\
color.a *= v_color.a;\n\
\n\
color.rgb = pow(color.rgb, vec3(u_brightness));\n\
\n\
gl_FragData[0] = color;\n\
}\n";
const char* const POLYMOST1_EXTENDED_FRAGMENT_SHADER_CODE =
"#version 110\n\
#extension ARB_shader_texture_lod : enable\n\
\n\
//s_texture points to an indexed color texture\n\
uniform sampler2D s_texture;\n\
//s_palswap is the palette swap texture where u is the color index and v is the shade\n\
uniform sampler2D s_palswap;\n\
//s_palette is the base palette texture where u is the color index\n\
uniform sampler2D s_palette;\n\
\n\
uniform sampler2D s_detail;\n\
uniform sampler2D s_glow;\n\
\n\
//u_texturePosSize is the texture position & size packaged into a single vec4 as {pos.x, pos.y, size.x, size.y}\n\
uniform vec4 u_texturePosSize;\n\
uniform vec2 u_halfTexelSize;\n\
uniform vec2 u_palswapPos;\n\
uniform vec2 u_palswapSize;\n\
\n\
uniform float u_shade;\n\
uniform float u_numShades;\n\
uniform float u_visFactor;\n\
uniform float u_fogEnabled;\n\
\n\
uniform float u_useColorOnly;\n\
uniform float u_usePalette;\n\
uniform float u_npotEmulation;\n\
uniform float u_npotEmulationFactor;\n\
uniform float u_npotEmulationXOffset;\n\
uniform float u_brightness;\n\
uniform float u_shadeInterpolate;\n\
\n\
uniform float u_useDetailMapping;\n\
uniform float u_useGlowMapping;\n\
\n\
varying vec4 v_color;\n\
varying float v_distance;\n\
\n\
const float c_basepalScale = 255.0/256.0;\n\
const float c_basepalOffset = 0.5/256.0;\n\
\n\
const float c_zero = 0.0;\n\
const float c_one = 1.0;\n\
const float c_two = 2.0;\n\
const vec4 c_vec4_one = vec4(c_one);\n\
const float c_wrapThreshold = 0.9;\n\
\n\
void main()\n\
{\n\
float coordY = mix(gl_TexCoord[0].y,gl_TexCoord[0].x,u_usePalette);\n\
float coordX = mix(gl_TexCoord[0].x,gl_TexCoord[0].y,u_usePalette);\n\
float period = floor(coordY/u_npotEmulationFactor);\n\
coordX += u_npotEmulationXOffset*floor(mod(coordY,u_npotEmulationFactor));\n\
coordY = period+mod(coordY,u_npotEmulationFactor);\n\
vec2 newCoord = mix(gl_TexCoord[0].xy,mix(vec2(coordX,coordY),vec2(coordY,coordX),u_usePalette),u_npotEmulation);\n\
#ifdef GL_ARB_shader_texture_lod\n\
vec2 texCoord = fract(newCoord.xy);\n\
texCoord = clamp(u_texturePosSize.zw*texCoord, u_halfTexelSize, u_texturePosSize.zw-u_halfTexelSize);\n\
vec4 color = texture2DGradARB(s_texture, u_texturePosSize.xy+texCoord, dFdx(texCoord), dFdy(texCoord));\n\
#else\n\
vec2 transitionBlend = fwidth(floor(newCoord.xy));\n\
transitionBlend = fwidth(transitionBlend)+transitionBlend;\n\
vec2 texCoord = mix(fract(newCoord.xy), abs(c_one-mod(newCoord.xy+c_one, c_two)), transitionBlend);\n\
texCoord = clamp(u_texturePosSize.zw*texCoord, u_halfTexelSize, u_texturePosSize.zw-u_halfTexelSize);\n\
vec4 color = texture2D(s_texture, u_texturePosSize.xy+texCoord);\n\
#endif\n\
\n\
float shade = clamp((u_shade+max(u_visFactor*v_distance-0.5*u_shadeInterpolate,c_zero)), c_zero, u_numShades-c_one);\n\
float shadeFrac = mod(shade, c_one);\n\
float colorIndex = texture2D(s_palswap, u_palswapPos+u_palswapSize*vec2(color.r, floor(shade)/u_numShades)).r;\n\
colorIndex = c_basepalOffset + c_basepalScale*colorIndex;\n\
vec4 palettedColor = texture2D(s_palette, vec2(colorIndex, c_zero));\n\
colorIndex = texture2D(s_palswap, u_palswapPos+u_palswapSize*vec2(color.r, (floor(shade)+c_one)/u_numShades)).r;\n\
colorIndex = c_basepalOffset + c_basepalScale*colorIndex;\n\
vec4 palettedColorNext = texture2D(s_palette, vec2(colorIndex, c_zero));\n\
palettedColor.rgb = mix(palettedColor.rgb, palettedColorNext.rgb, shadeFrac*u_shadeInterpolate);\n\
float fullbright = mix(u_usePalette*palettedColor.a, c_zero, u_useColorOnly);\n\
palettedColor.a = c_one-floor(color.r);\n\
color = mix(color, palettedColor, u_usePalette);\n\
\n\
vec4 detailColor = texture2D(s_detail, newCoord);\n\
detailColor = mix(c_vec4_one, 2.0*detailColor, u_useDetailMapping*detailColor.a);\n\
color.rgb *= detailColor.rgb;\n\
\n\
color = mix(color, c_vec4_one, u_useColorOnly);\n\
\n\
// DEBUG \n\
//color = texture2D(s_palswap, gl_TexCoord[0].xy);\n\
//color = texture2D(s_palette, gl_TexCoord[0].xy);\n\
//color = texture2D(s_texture, gl_TexCoord[0].yx);\n\
\n\
color.rgb = mix(v_color.rgb*color.rgb, color.rgb, fullbright);\n\
\n\
float fogEnabled = mix(u_fogEnabled, c_zero, u_usePalette);\n\
fullbright = max(c_one-fogEnabled, fullbright);\n\
float fogFactor = clamp((gl_Fog.end-gl_FogFragCoord)*gl_Fog.scale, fullbright, c_one);\n\
//float fogFactor = clamp(gl_FogFragCoord, fullbright, c_one);\n\
color.rgb = mix(gl_Fog.color.rgb, color.rgb, fogFactor);\n\
\n\
vec4 glowColor = texture2D(s_glow, newCoord);\n\
color.rgb = mix(color.rgb, glowColor.rgb, u_useGlowMapping*glowColor.a*(c_one-u_useColorOnly));\n\
\n\
color.a *= v_color.a;\n\
\n\
color.rgb = pow(color.rgb, vec3(u_brightness));\n\
\n\
gl_FragData[0] = color;\n\
}\n";
polymost1BasicShaderProgramID = glCreateProgram();
GLuint polymost1BasicVertexShaderID = polymost2_compileShader(GL_VERTEX_SHADER, POLYMOST1_BASIC_VERTEX_SHADER_CODE);
GLuint polymost1BasicFragmentShaderID = polymost2_compileShader(GL_FRAGMENT_SHADER, POLYMOST1_BASIC_FRAGMENT_SHADER_CODE);
glAttachShader(polymost1BasicShaderProgramID, polymost1BasicVertexShaderID);
glAttachShader(polymost1BasicShaderProgramID, polymost1BasicFragmentShaderID);
glLinkProgram(polymost1BasicShaderProgramID);
polymost1ExtendedShaderProgramID = glCreateProgram(); polymost1ExtendedShaderProgramID = glCreateProgram();
GLuint polymost1ExtendedFragmentShaderID = polymost2_compileShader(GL_FRAGMENT_SHADER, POLYMOST1_EXTENDED_FRAGMENT_SHADER_CODE); GLuint polymost1BasicVertexShaderID = polymost2_compileShader(GL_VERTEX_SHADER, polymost1Vert, 0);
GLuint polymost1ExtendedFragmentShaderID = polymost2_compileShader(GL_FRAGMENT_SHADER, polymost1Frag, 0);
glAttachShader(polymost1ExtendedShaderProgramID, polymost1BasicVertexShaderID); glAttachShader(polymost1ExtendedShaderProgramID, polymost1BasicVertexShaderID);
glAttachShader(polymost1ExtendedShaderProgramID, polymost1ExtendedFragmentShaderID); glAttachShader(polymost1ExtendedShaderProgramID, polymost1ExtendedFragmentShaderID);
glLinkProgram(polymost1ExtendedShaderProgramID); glLinkProgram(polymost1ExtendedShaderProgramID);
int polymost1BasicFragLen = strlen(polymost1Frag);
char* polymost1BasicFrag = (char*) malloc(polymost1BasicFragLen);
memcpy(polymost1BasicFrag, polymost1Frag, polymost1BasicFragLen);
char* extDefineSubstr = strstr(polymost1BasicFrag, " #define POLYMOST1_EXTENDED");
if (extDefineSubstr)
{
//Disable extensions for basic fragment shader
extDefineSubstr[0] = '/';
extDefineSubstr[1] = '/';
}
polymost1BasicShaderProgramID = glCreateProgram();
GLuint polymost1BasicFragmentShaderID = polymost2_compileShader(GL_FRAGMENT_SHADER, polymost1BasicFrag, polymost1BasicFragLen);
glAttachShader(polymost1BasicShaderProgramID, polymost1BasicVertexShaderID);
glAttachShader(polymost1BasicShaderProgramID, polymost1BasicFragmentShaderID);
glLinkProgram(polymost1BasicShaderProgramID);
free(polymost1BasicFrag);
polymost1BasicFrag = 0;
// set defaults // set defaults
polymost_setCurrentShaderProgram(polymost1ExtendedShaderProgramID); polymost_setCurrentShaderProgram(polymost1ExtendedShaderProgramID);
glUniform1i(polymost1TexSamplerLoc, 0); glUniform1i(polymost1TexSamplerLoc, 0);

116
source/build/src/polymost1Frag.glsl Normal file
View file

@ -0,0 +1,116 @@
#version 110
#extension ARB_shader_texture_lod : enable
//include an additional space here so that we can programmatically search for and disable this preprocessor definition easily
#define POLYMOST1_EXTENDED
//s_texture points to an indexed color texture
uniform sampler2D s_texture;
//s_palswap is the palette swap texture where u is the color index and v is the shade
uniform sampler2D s_palswap;
//s_palette is the base palette texture where u is the color index
uniform sampler2D s_palette;
#ifdef POLYMOST1_EXTENDED
uniform sampler2D s_detail;
uniform sampler2D s_glow;
#endif
//u_texturePosSize is the texture position & size packaged into a single vec4 as {pos.x, pos.y, size.x, size.y}
uniform vec4 u_texturePosSize;
uniform vec2 u_halfTexelSize;
uniform vec2 u_palswapPos;
uniform vec2 u_palswapSize;
uniform float u_shade;
uniform float u_numShades;
uniform float u_visFactor;
uniform float u_fogEnabled;
uniform float u_useColorOnly;
uniform float u_usePalette;
uniform float u_npotEmulation;
uniform float u_npotEmulationFactor;
uniform float u_npotEmulationXOffset;
uniform float u_shadeInterpolate;
#ifdef POLYMOST1_EXTENDED
uniform float u_useDetailMapping;
uniform float u_useGlowMapping;
#endif
varying vec4 v_color;
varying float v_distance;
const float c_basepalScale = 255.0/256.0;
const float c_basepalOffset = 0.5/256.0;
const float c_zero = 0.0;
const float c_one = 1.0;
const float c_two = 2.0;
const vec4 c_vec4_one = vec4(c_one);
const float c_wrapThreshold = 0.9;
void main()
{
float coordY = mix(gl_TexCoord[0].y,gl_TexCoord[0].x,u_usePalette);
float coordX = mix(gl_TexCoord[0].x,gl_TexCoord[0].y,u_usePalette);
float period = floor(coordY/u_npotEmulationFactor);
coordX += u_npotEmulationXOffset*floor(mod(coordY,u_npotEmulationFactor));
coordY = period+mod(coordY,u_npotEmulationFactor);
vec2 newCoord = mix(gl_TexCoord[0].xy,mix(vec2(coordX,coordY),vec2(coordY,coordX),u_usePalette),u_npotEmulation);
#ifdef GL_ARB_shader_texture_lod
vec2 texCoord = fract(newCoord.xy);
texCoord = clamp(u_texturePosSize.zw*texCoord, u_halfTexelSize, u_texturePosSize.zw-u_halfTexelSize);
vec4 color = texture2DGradARB(s_texture, u_texturePosSize.xy+texCoord, dFdx(texCoord), dFdy(texCoord));
#else
vec2 transitionBlend = fwidth(floor(newCoord.xy));
transitionBlend = fwidth(transitionBlend)+transitionBlend;
vec2 texCoord = mix(fract(newCoord.xy), abs(c_one-mod(newCoord.xy+c_one, c_two)), transitionBlend);
texCoord = clamp(u_texturePosSize.zw*texCoord, u_halfTexelSize, u_texturePosSize.zw-u_halfTexelSize);
vec4 color = texture2D(s_texture, u_texturePosSize.xy+texCoord);
#endif
float shade = clamp((u_shade+max(u_visFactor*v_distance-0.5*u_shadeInterpolate,c_zero)), c_zero, u_numShades-c_one);
float shadeFrac = mod(shade, c_one);
float colorIndex = texture2D(s_palswap, u_palswapPos+u_palswapSize*vec2(color.r, floor(shade)/u_numShades)).r;
colorIndex = c_basepalOffset + c_basepalScale*colorIndex;
vec4 palettedColor = texture2D(s_palette, vec2(colorIndex, c_zero));
colorIndex = texture2D(s_palswap, u_palswapPos+u_palswapSize*vec2(color.r, (floor(shade)+c_one)/u_numShades)).r;
colorIndex = c_basepalOffset + c_basepalScale*colorIndex;
vec4 palettedColorNext = texture2D(s_palette, vec2(colorIndex, c_zero));
palettedColor.rgb = mix(palettedColor.rgb, palettedColorNext.rgb, shadeFrac*u_shadeInterpolate);
float fullbright = mix(u_usePalette*palettedColor.a, c_zero, u_useColorOnly);
palettedColor.a = c_one-floor(color.r);
color = mix(color, palettedColor, u_usePalette);
#ifdef POLYMOST1_EXTENDED
vec4 detailColor = texture2D(s_detail, gl_TexCoord[3].xy);
detailColor = mix(c_vec4_one, 2.0*detailColor, u_useDetailMapping*detailColor.a);
color.rgb *= detailColor.rgb;
#endif
color = mix(color, c_vec4_one, u_useColorOnly);
// DEBUG
//color = texture2D(s_palswap, gl_TexCoord[0].xy);
//color = texture2D(s_palette, gl_TexCoord[0].xy);
//color = texture2D(s_texture, gl_TexCoord[0].yx);
color.rgb = mix(v_color.rgb*color.rgb, color.rgb, fullbright);
float fogEnabled = mix(u_fogEnabled, c_zero, u_usePalette);
fullbright = max(c_one-fogEnabled, fullbright);
float fogFactor = clamp((gl_Fog.end-gl_FogFragCoord)*gl_Fog.scale, fullbright, c_one);
//float fogFactor = clamp(gl_FogFragCoord, fullbright, c_one);
color.rgb = mix(gl_Fog.color.rgb, color.rgb, fogFactor);
#ifdef POLYMOST1_EXTENDED
vec4 glowColor = texture2D(s_glow, gl_TexCoord[4].xy);
color.rgb = mix(color.rgb, glowColor.rgb, u_useGlowMapping*glowColor.a*(c_one-u_useColorOnly));
#endif
color.a *= v_color.a;
gl_FragData[0] = color;
}

33
source/build/src/polymost1Vert.glsl Normal file
View file

@ -0,0 +1,33 @@
#version 110
varying vec4 v_color;
varying float v_distance;
//u_texturePosSize is the texture position & size packaged into a single vec4 as {pos.x, pos.y, size.x, size.y}
uniform vec4 u_texturePosSize;
uniform float u_usePalette;
uniform mat4 u_rotMatrix;
const float c_zero = 0.0;
const float c_one = 1.0;
void main()
{
vec4 vertex = u_rotMatrix * gl_Vertex;
vec4 eyeCoordPosition = gl_ModelViewMatrix * vertex;
gl_Position = gl_ModelViewProjectionMatrix * vertex;
eyeCoordPosition.xyz /= eyeCoordPosition.w;
gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
gl_TexCoord[0] = mix(gl_TexCoord[0].xyzw, gl_TexCoord[0].yxzw, u_usePalette);
gl_TexCoord[3] = gl_TextureMatrix[3] * gl_MultiTexCoord3;
gl_TexCoord[4] = gl_TextureMatrix[4] * gl_MultiTexCoord4;
gl_FogFragCoord = abs(eyeCoordPosition.z);
//gl_FogFragCoord = clamp((gl_Fog.end-abs(eyeCoordPosition.z))*gl_Fog.scale, c_zero, c_one);
v_color = gl_Color;
v_distance = gl_Vertex.z;
}